Exercise: Workshop Technology

Questions for: Workshop Technology

In tungsten-inert gas arc welding, a __________ electrode is used.
A:
consumable
B:
non-consumable
C:
D:
Answer: B
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The electron beam welding can be carried out in
A:
open air
B:
a shielded gas environment
C:
vacuum
D:
a pressurised inert gas chamber
Answer: C
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The metal is subjected to mechanical working for
A:
refining grain size
B:
reducing original block into desired shape
C:
controlling the direction of flow lines
D:
all of these
Answer: D
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The operation of cutting a number of holes evenly spaced in a regular pattern on a sheet of metal is. called perforating.
A:
Agree
B:
Disagree
C:
D:
Answer: A
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Rotary swaging
A:
is extensively used for making bolts and rivets
B:
is used for reducing the diameters of round bars and tubes by rotating dies which open and close rapidly on the work
C:
is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
D:
consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part
Answer: B
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